Furious furans: A recent article by Wang et al. reports a novel palladium-catalyzed cross-coupling reaction to form 2-alkenyl substituted furans from ene-yne-ketones. The electrophiles used in this study were benzyl, aryl and allyl bromides to yield highly substituted furans in moderate to good yields. A palladium (2-furyl)carbene is proposed as a key reactive intermediate, which is supported by DFT calculations.
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